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Refractory products and mixes for tundish lining
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| Gunning Mixes for Tundish Lining
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| Product |
Ferrocon SGS 75 |
Ferrocon SGS 80 |
Ferrocon SGS 83 |
Ferrocon SGS 85 |
Ferrocon SGS 88 |
Ferrocon SGS 88Ā |
| Application |
Gunning mix for tundish |
Gunning mix for tundish |
Gunning mix for tundish |
Gunning mix for tundish |
Gunning mix for tundish |
Gunning mix for tundish |
| Chemical Analysis by Weight, % |
MgO |
75%, min |
80%, min |
83%, min |
83%, min |
88%, min |
87-88% |
| SiO2 |
16%, max |
12%, max |
11%, max |
8%, max |
7%, max |
8%, max |
| CaO |
2,5%, max |
2,5%, max |
2%, max |
2,5%, max |
2,5%, max |
2,5%, max |
| Al2O3 |
0,5%, max |
0,5%, max |
0,5%, max |
0,5%, max |
0,5%, max |
0,5%, max |
| Fe2O3 |
3%, max |
3%, max |
2%, max |
2%, max |
1,5% max |
1,5% max |
| Bond |
acid-silicate |
acid-silicate |
acid-silicate |
acid-silicate |
acid-silicate |
acid-silicate |
| Grain size, mm |
0 - 0,5 |
0 - 0,5 |
0 - 0,5 |
0 - 0,5 |
0 - 0,5 |
0 - 0,5 |
| Density, kg/lt |
1,6 |
1,65 |
1,65 |
1,65 |
1,75 |
1,8 |
| Application temperature °C |
1750 |
1750 |
1750 |
1750 |
1750 |
1750 |
| Materials for Production of Casting Shapes
and Boards for Tundish Lining |
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| Product |
Materials for production of Impact Pad, nozzle cones,
dams, weirs, side and bottom boards Ferrocon SiO2 |
Materials for Production of Impact Pad, nozzle cones,
dams, weirs,side and bottom boards Ferrocon SiO2 |
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| Application |
For lining of sides and bottom of tundish |
For lining of sides and bottom of tundish |
For prodution of Impact Pad and casting tundish shapes. |
For lining of sides and bottom of tundish |
For prodution of Impact Pad and casting tundish shapes. |
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| Type |
Standard |
Multipour |
High density |
Multipour |
High density |
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| Application Tundish Practice |
Cold |
Cold |
Cold |
Cold |
Cold |
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| Steel Grade |
Carbon and low alloy |
2,5%, max |
All |
All |
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| Sequence length |
Up to 5 hours |
Up to 12 hours |
Up to 12 hours |
24 hours and more |
24 hours and more |
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| Chemical Analysis by Weight, % |
MgO |
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85-90% |
85-90% |
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| SiO2 |
87-94% |
87-94% |
87-94% |
5% |
5% |
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| CaO |
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3% |
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| Al2O3 |
3% max |
3% max |
3% max |
1% |
1% |
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| Fe2O3 |
1% |
1% |
1% |
2%, max |
2%, max |
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| Organics |
3-5% |
3-5% |
3-5% |
3-5% |
3-5% |
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| Thickness (mm) |
25-30 mm |
25-35 mm |
30-60 mm |
25-40 mm |
40-150 mm |
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| Density, kg/lt |
1,25 |
1,35 |
1,9 |
1,65 |
2,5 |
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| Apparent porosity % |
50 |
45 |
25 |
45 |
25 |
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| Mixes and Mortars for Board Repairing while
Tundish Lining |
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| Product |
FCM 10 |
FCM 20 |
FCM 30 |
FCM 50 |
FCM 60D |
| Application |
Ramming mix around nozzle cones and blocks in tundishes. |
Ramming mix around nozzle cones and blocks in tundishes. |
Ramming mix around nozzle cones and blocks in tundishes. |
Air setting mortar for sealing the joints between silica tundish
boards |
Air setting mortar for sealing the joints between silica tundish
boards |
| Type |
SiO2 |
MgO2 |
Al2O3 |
SiO2 |
MgO |
| Chemical Analysis by Weight, % |
MgO |
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65-70% |
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70-75% |
| SiO2 |
85-89% |
10-14% |
22% |
85-89% |
10-12% |
| Al2O3 |
4-7% |
5-6% |
70% |
5-7% |
4-6% |
| Fe2O3 |
1% |
1% |
1% |
1% |
1% |
| Na2O+K2O |
0,50% |
1,50% |
1% |
3-5% |
1,50% |
| C |
5,00% |
5,00% |
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| H2O |
8-10% |
8-10% |
8-10% |
22-26% |
20,00% |
| Application temperature °C |
1650 |
1750 |
1750 |
1650 |
1750 |
| Tundish Castable Lining |
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| Product |
Ferroņast 75LC |
Ferrocast 80CR |
Ferrocast 85LC |
Ferrocast 802AL |
| Application |
Tundish permanent lining |
Tundish permanent lining |
Tundish permanent lining |
Cold repairs of steel teeming ladles and cold repairing of tundish
permanent lining |
| Chemical Analysis by Weight, % |
SiO2 |
10-15% |
8-12% |
10-15% |
10% |
| CaO |
1-3% |
1-3% |
1%, max |
4%, max |
| Al2O3 |
75-80% |
80% |
84% |
80% |
| Fe2O3 |
1,5%, max |
1,5%, max |
1,5%, max |
1,5%, max |
| Cr2O3 |
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1,50% |
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| Grain Size (mm) |
0 - 6 |
0 - 6 |
0 - 6 |
0 - 5 |
| Density (kg/lt) |
2,7 |
2,7 |
2,85 |
2,5 |
| Cold crushing strength kg/cm2 at 110°C)
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500 |
500 |
700 |
300 |
| Application temperature °C |
1700 |
1700 |
1700 |
1700 |
| Mouldable Mix for Tundish Lining
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| Product |
Fillmix 85T |
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| Application |
Mouldable water-free mix for tundish lining |
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| Chemical Analysis by Weight, % |
MgO |
82-87% |
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| SiO2 |
12%, max |
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| CaO |
3%, max |
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| Al2O3 |
0,5%, max |
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| Fe2O3 |
3%, max |
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| Grain Size (mm) |
0 - 1 |
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| Density (kg/lt) |
1,9 |
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| Application temperature °C |
1750 |
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| Materials for Production of Tundish
Monolithic Elements |
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| Product |
Ferrocast 65 LC |
Ferrocast Shape 65 AL |
Ferrocast 80/15 |
Ņaston Shapes MgO |
Ferrocast Shape 85 AL |
Caston AL-Spinel |
| Application |
Tundish lid |
Tundish lid |
Tundish lid |
Impact Pad, nozzle cones, dams and weirs, baffles |
Impact Pad, nozzle cones, dams and weirs, baffles |
Target box, delta box, impact pad, nozzle cones, dams and weirs,
baffles |
| Chemical Analysis by Weight, % |
MgO |
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85-90% |
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3 - 5% |
| SiO2 |
35% |
35% |
3% |
7% |
10% |
3% |
| CaO |
2,5%, max |
2,5%, max |
1%, max |
3% |
3% |
2% |
| Al2O3 |
60% |
60% |
80% |
1% |
83% |
90% |
| Fe2O3 |
1,5%, max |
1,5%, max |
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2% |
2% |
0,50% |
| SiC |
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| Steel fibers (25mm) |
4% |
4% |
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| Steel Grade |
All |
All |
All |
All |
All |
All |
| Thickness, mm |
80 - 150 |
80 - 150 |
80 - 150 |
40-150 |
40-150 |
40-150 |
| Density, kg/lt |
2,6 |
2,6 |
3,1 |
2,85 |
2,85 |
3 |
| Porosity, % |
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25% |
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20% |
20% |
15% |
| Cold crushing strength kg/cm2 at 110°C
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500 |
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750 |
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| Application temperature °C |
1700 |
1700 |
1750 |
1750 |
1750 |
1750 |
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